Home / 3,204.90-4,422.78-2,028.06

Finding the Fourth Proportional to 3,204.90, 4,422.78 and 2,028.06

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Solution

The fourth proportional to 3,204.90, 4,422.78 and 2,028.06 is: 2,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.90 : 4,422.78 = 2,028.06 : x
  2. Step 2: Convert to fraction form
    3,204.90/4,422.78 = 2,028.06/x
  3. Step 3: Cross multiply
    3,204.90x = 4,422.78 × 2,028.06
  4. Step 4: Simplify right side
    3,204.90x = 8,969,663.21
  5. Step 5: Solve for x
    x = 8,969,663.21/3,204.90
  6. Step 6: Final answer
    x = 2,798.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.